Answer help points a lot

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Aplant may open end close its stomata to prevent excess water loss and maintain

In which of the following relationships is one organism always benefited while the other organism is always harmed